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Finding the Third Proportional to 90,888 and 133,276

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Solution

The third proportional to 90,888 and 133,276 is: 195,432.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,888 : 133,276 = 133,276 : x
  2. Step 2: Convert to fraction form
    90,888/133,276 = 133,276/x
  3. Step 3: Cross multiply
    90,888x = 133,276 × 133,276
  4. Step 4: Simplify right side
    90,888x = 17,762,492,176
  5. Step 5: Solve for x
    x = 17,762,492,176/90,888
  6. Step 6: Final answer
    x = 195,432.75

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.